Question

2) If wars have been fought for thousands of years, why is the war between 1914

and 1918 commonly referred to today as the "First World War?"

Answer 1

In 1945, history began using the phrase "First World War" because historians considered 1914-1918 as the start of a new sort of international conflict, the world's first industrialized "total" war, which was followed by a second industrialised world war, 1939-1945.

Step-by-step explanation: